Datasheet

Vin=5V/div
Vout=2V/div
EN=2V/div
PWRGD=5V/div
Time=5msec/div
Vout=100mV/div(accoupled)
Iout=1 A /div(0 A to1.5 A loadstep)
Time=200usec/div
Vin=5V/div
Vout=2V/div
EN=2V/div
PWRGD=5V/div
Time=5msec/div
Vout=20mV/div(accoupled)
PH=2V/div
Time=500nsec/div
10 100 1000 10k 100k 1M
Frequency - Hz
–60
Gain - dB
50
40
30
20
10
0
–10
–20
–30
–40
–50
60
Phase - Degrees
150
120
90
60
30
0
–30
–60
–90
–120
–150
–180
180
Phase
Gain
Time=400nsec/div
Vin=100mV/div(accoupled)
PH=2V/div
TPS57112-Q1
www.ti.com SLVSAL8 –DECEMBER 2010
TRANSIENT RESPONSE, 1.5 A STEP POWER UP VOUT, VIN
Figure 41. Figure 42.
POWER UP VOUT, EN OUTPUT RIPPLE, 2 A
Figure 43. Figure 44.
INPUT RIPPLE, 2 A CLOSED LOOP RESPONSE, VIN (5 V), 2 A
Figure 45. Figure 46.
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